Ramaiah, P <br/><br/>
Tribal economy of India :  a case study of Koyas of Andhra Pradesh / 
by P Ramaiah 
 - New Delhi :  Light & Life Publishers,  1981. 
 - 207p. : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tribal economy
<br/><br/><label>Dewey Class. No.: </label>307.7  RAM-T